Use of catalytic distillation to produce cyclopentane or cyclope

Details Use of catalytic distillation to produce cyclopentane or cyclope Use of catalytic distillation to produce cyclopentane or cyclope

1998-11-13

2000-08-08

Griffin, Walter D.

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce alicyclic

585317, 585256, 585354, 203DIG6, C07C 100, C07C 422, C07C 1315, C07C 533

Patent

active

061004359

ABSTRACT:
A process is disclosed for converting dicyclopentadiene to cyclopentane and/or cyclopentene, wherein dicyclopentadiene is fed to a catalytic distillation column, the dicyclopentadiene is cracked to cyclopentadiene in the catalytic distillation column, the cyclopentadiene is hydrogenated to cyclopentane in the catalytic distillation column, and the cyclopentane is recovered from the catalytic distillation column. The dicyclopentadiene is fed into and cracked to cyclopentadiene at the bottom of the catalytic distillation column. Hydrogen is then fed to the catalytic distillation column below the catalytic zone, where cyclopentadiene is hydrogenated as it is produced, thus suppressing polymerization of the cyclopentadiene. The resulting cyclopentane and/or cyclopentene vapor phase stream is condensed, thereby producing a liquid stream of cyclopentane and/or cyclopentene and a vapor stream of hydrogen and other off-gas by-products.

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